3 Accounts Connected:

Zz, mhanbostanci, altcoin_trader,

Proof:

Zz posts the wallet address 19Aw9JN3ypHDrd9AA1LyYJjaTWHHGDhhDP on their profile page and uses it in posts here: [1 ( @yahoo62278 denys them entry (back in 2016 - and is still banning Zz in 2019)], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13],
mhanbostanci posts the wallet address 1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv on their profile page and uses it in posts here: [A (as quoted by @EFS )], [2], [3], [4], [5], [6], [7] [8]to name but a few...
altcoin_trader posts the wallet add 1JZYPRKap4hTQm9dQQMWhWeivkSo5Y1iUT on their profile page and uses it in posts here: [A], [1 (Zz also posts)], [2], [3],

Wallet [77c8711960] contains just four wallet addresses:

Code:

1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv 0.00022383 259 549263
19Aw9JN3ypHDrd9AA1LyYJjaTWHHGDhhDP 0. 83 467408
1GU2gN5s8ZWNjLto7JoMycMNGwpyPtzARr 0. 33 397713
1JZYPRKap4hTQm9dQQMWhWeivkSo5Y1iUT 0. 17 420332

In this thread: Yarışma: Bitcoin 2015'i Hangi Fiyattan Kapatır? [Archive] posts # seven and eight both mhanbostanci and altcoin_trader post signed messages to compete to guess the price of BitCoin.

Quote

-----BEGIN BITCOIN SIGNED MESSAGE-----
277$
-----BEGIN SIGNATURE-----
1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv
GyYb2nrqeRIZImovLB+Ok7HWqc/HjFGqeISmBBVQwN4iPWM0wmUSZjXpDkQsTgbYLjQTh0M8HU4np7QQjbcFVMw=
-----END BITCOIN SIGNED MESSAGE-----

Code:

-----BEGIN BITCOIN SIGNED MESSAGE-----
261$
-----BEGIN SIGNATURE-----
1JZYPRKap4hTQm9dQQMWhWeivkSo5Y1iUT
IPlxoKqq4WXqYCuSusJgxEOB4WsD1keCkl0+xFOlDeV/bJRzzKLlnUZ6+9xvB4zf0OCoDWy7LCnMlbkx1XxmxRk=
-----END BITCOIN SIGNED MESSAGE-----

DanDan goes on to win the prize in the thread started by cakir...

(See also this thread: mhanbostanci & altcoin_trader (Split from: Yeni Çıkan Cryptolar, Fırsatlar) ) [Archive]

In the thread Adettendir az da olsa ilk 10 kişiye 1mbtc , totalde 10 mbtc veriyorum... [Archive] that @designerusa starts both Zz and mhanbostanci claim just two posts apart:

Quote from: Zz on May 29, 2016, 10:56:15 PM

19Aw9JN3ypHDrd9AA1LyYJjaTWHHGDhhDP
Gönder kardeş

Teşekkürler.

Quote from: mhanbostanci on May 29, 2016, 10:57:52 PM

1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv
Hayırlı olsun.

In this thread Member Üye Olmam Şerefine BTC Dağıtımı [ Dağıtım Yapıldı ] [Archive] Zz and mhanbostanci both claim four posts apart: (as does DanDan )

Quote from: Zz on July 28, 2016, 06:35:33 AM

19Aw9JN3ypHDrd9AA1LyYJjaTWHHGDhhDP

Hayırlı olsun.

Quote from: mhanbostanci on July 28, 2016, 08:55:17 AM

hayırlı uğurlu olsun

1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv

In this thread Bayramınız mübarek olsun ey ahali [Archive] both mhanbostanci and Zz claim five posts apart.

Quote

Re: Bayramınız mübarek olsun ey ahali
12 September 2016, 18:24:39

Bayramınız mübarek olsun.
para veren altın bulsun Smiley
1mhandh8J4uJx18sHhgeBJWZLKxMnuqGv

Quote

Re: Bayramınız mübarek olsun ey ahali
12 September 2016, 18:55:30

Bayramınız mübarek olsun.
19Aw9JN3ypHDrd9AA1LyYJjaTWHHGDhhDP

21 April 2014, 08:06:52 Date Registered:    Zz
06 February 2015, 18:34:52 Date Registered:    mhanbostanci
04 October 2015, 23:47:05 Date Registered:    altcoin_trader
11 March 2016, 07:36:12 Last Active:       altcoin_trader
25 October 2019, 03:12:42 Last Active:       Zz
Today at 01:38:01 Last Active:          mhanbostanci

Related Addresses:

Zz also has the wallet address 0xe011B678b2aD9bC8C39c1e5B7A9f32CCF7A300a4 on their profile page

Miscellaneous:

Multiple alts claiming from the same bounties & also from different bounties during the same time-frame.